Flagship graphing calculator

TI-84 Calculator Online

Use a dedicated TI-84-style graphing calculator application for algebra, graphing, statistics, matrices and classroom practice, supported by a detailed student manual.

Open CalculatorRead Manual

What you can practice

Functions and graphsTables and traceStatistics and listsMatricesFractionsProbability

The calculator opens on a separate, focused page with zoom controls, full-screen support and mobile sizing. This profile page stays light and fast so students can discover guides before launching the calculator runtime.

Start with these workflows

Start
Getting StartedBasic keys, first calculations and recommended settings.
Graphing
Graph FunctionsEnter equations, graph and trace points.
Statistics
Lists and StatisticsEnter data and calculate descriptive statistics.
Help
Common ErrorsUnderstand syntax, domain and dimension errors.

Mobile and app-style use

On a supported browser, install Calc for Class as a Progressive Web App. The calculator application also offers a full-screen control and remembers your preferred zoom level on the same device.

Related guides

Guide
How to GraphA practical graphing workflow with examples.
Guide
TI-84 StatisticsLists, one-variable statistics and regression.
Guide
TI-84 MatricesEntering and calculating with matrices.
Comparison
TI-84 vs DesmosChoose the right workflow for your class.

Frequently asked questions

Is the calculator free to use?

Yes. The calculator and guides are available without creating an account.

Can it be installed like an app?

Supported browsers can install Calc for Class as a PWA. The calculator page also has a full-screen mode.

Does it work completely offline?

The local website shell can be cached, but the calculator application relies on externally delivered runtime resources and normally needs an internet connection.